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        <ul id="test-list">
            <li>JavaScript</li>
            <li>Swift</li>
            <li>HTML</li>
            <li>ANSI C</li>
            <li>CSS</li>
            <li>DirectX</li>
        </ul>
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            <legend>请选择想要学习的编程语言：</legend>
            <fieldset>
                <p><label class="selectAll"><input type="checkbox"> <span class="selectAll">全选</span><span
                            class="deselectAll">全不选</span></label> <a href="#0" class="invertSelect">反选</a></p>
                <p><label><input type="checkbox" name="lang" value="javascript"> JavaScript</label></p>
                <p><label><input type="checkbox" name="lang" value="python"> Python</label></p>
                <p><label><input type="checkbox" name="lang" value="ruby"> Ruby</label></p>
                <p><label><input type="checkbox" name="lang" value="haskell"> Haskell</label></p>
                <p><label><input type="checkbox" name="lang" value="scheme"> Scheme</label></p>
                <p><button type="submit">Submit</button></p>
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